Shanghai Nianxing Industrial Co., Ltd
China
Product Name: ETHYL 5-OXO-1,2,3,3A,4,5-HEXAHYDROPENTALENE-3A-CARBOXYLATE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3a(1H)-Pentalenecarboxylic acid, 2,3,4,5-tetrahydro-5-oxo-, ethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

65898-66-0

65898-66-0 structure

65898-66-0 structure

Name: 3a(1H)-Pentalenecarboxylic acid, 2,3,4,5-tetrahydro-5-oxo-, ethyl ester
Chemical Name: Ethyl 5-oxo-2,3,4,5-tetrahydro-3a(1H)-pentalenecarboxylate
CAS Number: 65898-66-0
Molecular Formula: C₁₁H₁₄O₃
Molecular Weight: 194.227
Create Date: 2018-07-14 08:22:24
Modify Date: 2025-09-23 15:15:53

Names
Properties

Name	Ethyl 5-oxo-2,3,4,5-tetrahydro-3a(1H)-pentalenecarboxylate
Synonyms	Ethyl 5-oxo-2,3,4,5-tetrahydro-3a(1H)-pentalenecarboxylate MFCD23703421 3a(1H)-Pentalenecarboxylic acid, 2,3,4,5-tetrahydro-5-oxo-, ethyl ester

Density	1.2±0.1 g/cm3
Boiling Point	305.8±31.0 °C at 760 mmHg
Molecular Formula	C₁₁H₁₄O₃
Molecular Weight	194.227
Flash Point	133.7±24.9 °C
Exact Mass	194.094299
LogP	0.96
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.517

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